Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7028423 | Snowplow blade lifting mechanism | — | 2006-04-18 |
| 6735847 | Assembly line method for and method of producing armature coils | Ricky L. Roberts, Robert Henry Hartman | 2004-05-18 |
| 6536093 | Assembly line method for and method of producing armature coils | Ricky L. Roberts, Robert Henry Hartman | 2003-03-25 |